these 4 derivations will be built:
  /nix/store/4sjh4kv6vlxzd2y6c7bih7nxcssd9kk3-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/nnwii1h7dcm9j0p5ahbs9110h78f4qkx-run-vm-vm.drv
  /nix/store/n2gs8fampl5jp5ifds0g46lwfwd6f3nh-driver-configuration.json.drv
  /nix/store/syn59pb2qa8m3j9fzyfq78yqinmri2f0-vm-test-ubuntu_23_10.drv